Laboratory of Neuropsychology, Department of Psychology, Faculty of Social Sciences, University of Crete, Rethymno, Greece.
University of Crete Research Center for the Humanities, The Social and Educational Sciences (UCRC), University of Crete, Rethymno, Greece.
Early Interv Psychiatry. 2023 Feb;17(2):121-140. doi: 10.1111/eip.13328. Epub 2022 Jul 15.
Previous research has indicated that individuals expressing high schizotypal traits and patients with Schizotypal Personality Disorder (SPD), show deficits in facial emotion recognition, compared to low schizotypal or control groups. On the other hand, non-significant findings also exist and the association of facial emotion recognition deficits with the different schizotypal dimensions is not well defined, thus limiting any conclusive outcomes. Therefore, the aim of this systematic review was to further clarify this relationship.
PsychInfo, Web of Science, Scopus and PubMed were systematically searched, and 23 papers with a cross-sectional design were selected. Nineteen studies examined individuals with high schizotypal traits and four studies evaluated SPD individuals with behavioural facial emotion recognition paradigms and self-report measures or clinical interviews for schizotypal traits. All selected studies were published between 1994 and August 2020.
According to the evidence of studies, high schizotypal individuals and SPD patients have poorer performance in facial emotion recognition tasks. Negative schizotypy was related to lower accuracy for positive and negative emotions and faster emotion labeling while positive schizotypy was associated with worse accuracy for positive, negative and neutral emotions and more biases. Disorganized schizotypy was associated with poorer accuracy for negative emotions and suspiciousness with higher accuracy for disgust faces but lower total accuracy.
These findings are consistent with the vulnerability for schizophrenia spectrum disorders and support the idea that emotion recognition deficits are trait markers for these conditions. Thus, the effectiveness of early-intervention programmes could increase by also targeting this class of deficits.
先前的研究表明，与低精神分裂症或对照组相比，表现出高精神分裂症特征的个体和精神分裂症人格障碍（SPD）患者在面部情绪识别方面存在缺陷。另一方面，也存在不显著的发现，并且面部情绪识别缺陷与不同的精神分裂症维度之间的关联尚未明确界定，从而限制了任何结论性结果。因此，本系统评价的目的是进一步阐明这种关系。
系统检索了 PsychInfo、Web of Science、Scopus 和 PubMed，并选择了 23 篇具有横断面设计的论文。19 项研究检查了具有高精神分裂症特征的个体，4 项研究评估了 SPD 个体的行为面部情绪识别范式以及自我报告的精神分裂症特征测量或临床访谈。所有选定的研究均发表于 1994 年至 2020 年 8 月之间。
根据研究证据，高精神分裂症个体和 SPD 患者在面部情绪识别任务中的表现较差。负性精神分裂症与积极和消极情绪的准确性较低以及情绪标记更快有关，而正性精神分裂症与积极、消极和中性情绪的准确性较差以及更多的偏差有关。紊乱性精神分裂症与消极情绪的准确性较低有关，而怀疑与厌恶面孔的准确性较高但总准确性较低有关。
这些发现与精神分裂症谱系障碍的易感性一致，并支持情绪识别缺陷是这些病症的特征标记的观点。因此，通过针对这一类缺陷，早期干预计划的有效性可以提高。
